<template>
  <div class="app-container">

    <h2 style="text-align: center;">发布新课程</h2>

    <el-steps :active="3" process-status="wait" align-center style="margin-bottom: 40px;">
      <el-step title="填写课程基本信息"/>
      <el-step title="创建课程大纲"/>
      <el-step title="最终发布"/>
    </el-steps>

    <!--课程信息-->
    <div class="ccInfo">
      <img :src="coursePublishVo.cover">
      <div class="main">
        <h2>{{ coursePublishVo.title }}</h2>
        <p class="gray"><span>共{{ coursePublishVo.lessonNum }}课时</span></p>
        <p><span>所属分类：{{ coursePublishVo.oneSubject }} — {{ coursePublishVo.twoSubject }}</span></p>
        <p>课程讲师：{{ coursePublishVo.name }}</p>
        <h3 class="red">￥{{ coursePublishVo.price }}</h3>
      </div>
    </div>

<!--    <el-form label-width="120px">-->
<!--      <el-form-item>-->
    <div>
        <el-button @click="previous">返回修改</el-button>
        <el-button :disabled="saveBtnDisabled" type="primary" @click="publishCourse">发布课程</el-button>
    </div>
<!--      </el-form-item>-->
<!--    </el-form>-->
  </div>
</template>

<script>
  import course from '@/api/course/list'

  export default {
      name: "publish",
      data(){
        return{
          saveBtnDisabled:false,
          courseId:'',
          coursePublishVo:{}
        }
      },
      methods:{
        //返回上一步
        previous (){
          this.$router.push({path:"/course/chapter/"+this.courseId})
        },
        //根据courseId查询课程信息
        findByCourseId(courseId){
          course.findCoursePublishVo(courseId).then(res=>{
            this.coursePublishVo = res.data.coursePublishVo
          })
        },
        //发布课程
        publishCourse(){
          course.publish(this.courseId).then(res=>{
            //提示信息
            this.$message({
              type: 'success',
              message: '发布成功!'
            })
          })
        }
      },
      created() {
        //获取courseId
        if(this.$route.params && this.$route.params.id){
          this.courseId = this.$route.params.id
        }
        //查询课程信息
        this.findByCourseId(this.courseId)
      }
    }
</script>

<style scoped>
  .ccInfo {
    background: #f5f5f5;
    padding: 20px;
    overflow: hidden;
    border: 1px dashed #DDD;
    margin-bottom: 40px;
    position: relative;
  }
  .ccInfo img {
    background: #d6d6d6;
    width: 500px;
    height: 278px;
    display: block;
    float: left;
    border: none;
  }
  .ccInfo .main {
    margin-left: 520px;
  }

  .ccInfo .main h2 {
    font-size: 28px;
    margin-bottom: 30px;
    line-height: 1;
    font-weight: normal;
  }
  .ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
  }

  .ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
  }
  .ccInfo .main h3 {
    left: 540px;
    bottom: 20px;
    line-height: 1;
    font-size: 28px;
    color: #d32f24;
    font-weight: normal;
    position: absolute;
  }
</style>
